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旋轉對稱 Rotational symmetry
Author:
TANG TSZ YUEN
Topic:
Symmetry
GeoGebra
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柱體建築師
判斷球體
找出對稱軸
畫出對稱圖形
三位數除以一位數（一）
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數學題目參考圖形
立方體拆解第一次
極線獨立定理 / polar independence theorem
angles sum of a triangle 3
gjc099b34 找指定圓圓心
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Diagrams
Ratios
Circle
Normal Distribution
Rotation